Astromania M48x0.75 Female Rotation Lock Ring Telescope Adapter, Metal Aluminum Telescope Accessories to Mount to Adapter with M48/2 Inch Male Thread for Astronomical Telescope

Astromania M48x0.75 Female Rotation Lock Ring Telescope Adapter, Metal Aluminum Telescope Accessories to Mount to Adapter with M48/2 Inch Male Thread for Astronomical Telescope

Product Features

• M48x0.75 Locking Mechanism: Features a M48x0.75 female thread rotation lock ring with precise 2 inch male thread compatibility; eliminating slippage and maintaining optical alignment during extended telescope use
• Industrial-Grade Sealing Standard: Manufactured using precision CNC machining to achieve thread tolerance of 0.01mm; The components are engineered to comply with the M420.75 thread standard, which specifies 42mm thread Diameter and 0.75mm thread pitch
• Anodized Aluminum Material: All metal construction, which significantly extends service life of product; Lightweight aluminum construction effectively minimizes load on telescope accessories, making it well-suited for long time astronomical observation
• Precision Knurled Thread Design: Engineered with machined knurling on grip frame surfaces to maximize installing efficiency; easily and securely installed even during winter conditions while wearing gloves
• Optical Path Extension Design: The 3mm thickness of this telescope adapter maintains to extend short optical length when connecting with other telescope adapters; helping to solve focusing in astronomical observation